>>>Anyways, the scientific world generally assumes that ones sexual orientation is mainly determined before birth.
>>>
>>>From: http://en.wikipedia.org/wiki/Sexual_orientation
>>>
>>>Sexual preference may also suggest a degree of voluntary choice,[9][11][12] whereas the scientific consensus is that sexual orientation is not a choice.[13][14][15]
>>
>>Consensus in science? They had an assembly and voted 100% for it?
>>
>>Whenever I see "scientific consensus" my doubts rise. It sounds so much like "anyone who disagrees won't get his research funded and no tenure either".
>>
>>Proof. Science has proof. Or doesn't, in which case it says "we still don't know".
>>
>>What's next, vote to revoke Newton's laws?
>
>In fact everything in science is a consensus.

?? Consensus is irrelevant in the context of the scientific method.

>Scientific facts theories are only valid until proven otherwise, upon which the facts theories are redefined.

Correct - after my amendments. A classic description of the scientific method. If you know this, how can you say consensus has any bearing?

The scientific method, and so-called "scientific consensus" are two very different things. Compare on Wikipedia for an overview.